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The problem is a message type mismatch. The subscriber node is looking for sensor_msgs/Image messages but the publishing node is sending out wfov_camera_msgs/WFOVImage messages. I've never heard of the second one so I assume it is a custom message for the publishing node. You'll either have to change the publisher/subscriber so that the message type is the same in both or see if there is some way to convert it.
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The problem is a message type mismatch. The subscriber node is looking for sensor_msgs/Image messages but the publishing node is sending out wfov_camera_msgs/WFOVImage messages. I've never heard of the second one so I assume it is a custom message for the publishing node. You'll either have to change the publisher/subscriber so that the message type is the same in both or see if there is some way to convert it.
[EDIT] After looking at wfov_camera_msgs/WFOVImage on github, the message contains a standard sensor_msgs/Image with some extra info. It should be simple enough to change the subscriber node to use the WFOVImage message and just extract the regular sensor_msgs/Image.
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